Adapter



FIG. 1 is a front perspective view of an adapter showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a cross-sectional view taken along line 3-3 of FIG. 2;

FIG. 4 is a cross-sectional view taken along line 4-4 of FIG. 2;

FIG. 5 is a front perspective view an adapter shown in an alternative embodiment; and,

FIG. 6 is a front view thereof.

The broken lines shown in the drawings illustrate portions of the adapter that form no part of the claimed design. 

CLAIM The ornamental design for an adapter, as shown and described. 